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ITU-T L.1400 (02/2011)

Overview and general principles of methodologies for assessing the environmental impact of information and communication technologies

Recommendation ITU-T L.1400 presents the general principles on assessing the environmental impact of information and communication technologies (ICT) and outlines the different methodologies that are being developed:

• Assessment of the environmental impact of ICT goods, networks, and services

• Assessment of the environmental impact of ICT projects

• Assessment of the environmental impact of ICT in organizations

• Assessment of the environmental impact of ICT in cities

• Assessment of the environmental impact of ICT in countries or group of countries.

This Recommendation also provides some examples of opportunities to reduce the environmental load due to ICT.

Citation:	https://handle.itu.int/11.1002/1000/11015
Series title:	L series: Environment and ICTs, climate change, e-waste, energy efficiency; construction, installation and protection of cables and other elements of outside plant L.1400-L.1499: Assessment methodologies of ICTs and CO2 trajectories
Approval date:	2011-02-22
Provisional name:	L.methodology_umbrella
Approval process:	AAP
Status:	Superseded
Maintenance responsibility:	ITU-T Study Group 5
Further details:	Patent statement(s) Development history [27 related work items in progress]

Ed.	ITU-T Recommendation	Status	Summary	Table of Contents	Download
2	L.1400 (03/2023)	In force	here	here	here
1	L.1400 (02/2011)	Superseded	here	here	here


ITU-T Supplement	Title	Status	Summary	Table of contents	Download
L Suppl. 4 (04/2016)	Guidelines for developing a sustainable e-waste management system	In force	here	here	here
L Suppl. 5 (12/2014)	Life-cycle management of ICT goods	In force	here	here	here
L Suppl. 20 (10/2015)	Green public ICT procurement	In force	here	here	here
L Suppl. 21 (04/2016)	Implementation guidance for small- and medium-sized enterprises on information and communication technology supply chain due diligence concerning conflict minerals	In force	here	here	here
L Suppl. 27 (10/2016)	Supplement on success stories on e-waste management	In force	here	here	here
L Suppl. 28 (10/2016)	Circular economy in information and communication technology; definition of approaches, concepts and metrics	In force	here	here	here
L Suppl. 32 (10/2016)	Supplement for eco-specifications and rating criteria for mobile phones eco-rating programmes	In force	here	here	here
L Suppl. 33 (10/2016)	Assessment of energy consumption of information and communication technology services	In force	here	here	here
L Suppl. 41 (05/2021)	Requirements on energy efficiency measurement models and the role of artificial intelligence and big data	In force	here	here	here
L Suppl. 42 (05/2021)	Guidelines on the environmental efficiency of machine learning processes in supply chain management	In force	here	here	here
L Suppl. 43 (05/2021)	Smart energy saving of 5G base stations: Traffic forecasting and strategy optimization of 5G wireless network energy consumption based on artificial intelligence and other emerging technologies	In force	here	here	here
L Suppl. 44 (05/2021)	Guidelines on best practices and environment friendly policies for effective information and communication technology deployment methods	In force	here	here	here
L Suppl. 46 (12/2021)	Definitions and recent trends in circular cities	In force	here	here	here
L Suppl. 47 (07/2022)	Examples of resource saving within the information and communication technology sector	In force	here	here	here
L Suppl. 49 (07/2022)	Overview on adaptation to climate change for information and communication technology networks	In force	here	here	here
L Suppl. 52 (10/2022)	Computer processing, data management and energy perspective	In force	here	here	here
L Suppl. 53 (10/2022)	Guidelines on the implementation of environmental efficiency criteria for artificial intelligence and other emerging technologies	In force	here	here	here
L Suppl. 54 (10/2022)	Guidance for assessing the greenhouse gas emissions consequences of the financial effects generated by information and communication technology	In force	here	here	here
L Suppl. 55 (10/2022)	Environmental efficiency and impacts on United Nations Sustainable Development Goals of data centres and cloud computing	In force	here	here	here
L Suppl. 56 (10/2022)	Guidelines for connecting cities and communities with the Sustainable Development Goals	In force	here	here	here

Title	Approved on	Download
Partnering for solutions: ICTs in Smart Water Management	2014	here
Resilient pathways: the adaptation of the ICT sector to climate change	2014	here
The case of Korea_the quantification of GHG reduction effects achieved by ICTs	2013	here
Greening ICT Supply Chains – Survey on Conflict Minerals Due Diligence Initiatives	2012	here
Review of Mobile Handset Eco-Rating Schemes	2012	here
Boosting Energy Efficiency through Smart Grids	2012	here

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ITU-T Recommendations

ITU-T L.1400 (02/2011)